Key holder



FIG. 1 is a front perspective view of the key holder.

FIG. 2 is a front view thereof.

FIG. 3 is a bottom view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a left side view thereof.

FIG. 6 is a top view thereof; and,

FIG. 7 is a rear view thereof.

It being understood that the broken lines in FIG. 1 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a key holder, as shown. 